From 3213b4b32cd6620f88c6db442ebc38753b368441 Mon Sep 17 00:00:00 2001
From: Arno <arno@disconnect.de>
Date: Thu, 4 Jan 2018 05:52:44 +0100
Subject: Improve lookup of cache dir

Implement looking up the cache dir as Helper::function. Create it if it
doesn't exist.
---
 filewidget.cpp |  5 ++---
 helper.cpp     | 14 ++++++++++++++
 helper.h       |  1 +
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/filewidget.cpp b/filewidget.cpp
index 4872135..397ea63 100644
--- a/filewidget.cpp
+++ b/filewidget.cpp
@@ -31,7 +31,6 @@
 #include <QApplication>
 #include <QContextMenuEvent>
 #include <QDirIterator>
-#include <QStandardPaths>
 
 #include "filewidget.h"
 #include "filesorter.h"
@@ -48,7 +47,7 @@ FileWidget::FileWidget(QWidget *parent) : QWidget(parent), mCopyToMenu(0) {
     mFileCopier = new FileCopier(this);
     mCopyProgress = new ProgressDialog;
     mFileCache.setMaxCost(500);
-    QString cacheDir = QStandardPaths::locate(QStandardPaths::HomeLocation, ".shemovcleaner", QStandardPaths::LocateDirectory);
+    QString cacheDir = Helper::appDataDir();
     if(!cacheDir.isEmpty()){
         QString cacheFile = QString("%1/%2").arg(cacheDir).arg("cfd.dat");
         QFile f(cacheFile);
@@ -73,7 +72,7 @@ FileWidget::FileWidget(QWidget *parent) : QWidget(parent), mCopyToMenu(0) {
 FileWidget::~FileWidget(){
     writeHeaderData();
     writeSettings();
-    QString cacheDir = QStandardPaths::locate(QStandardPaths::HomeLocation, ".shemovcleaner", QStandardPaths::LocateDirectory);
+    QString cacheDir = Helper::appDataDir();
     if(!cacheDir.isEmpty()){
         QString cacheFile = QString("%1/%2").arg(cacheDir).arg("cfd.dat");
         QFile f(cacheFile);
diff --git a/helper.cpp b/helper.cpp
index a895ec4..502bfac 100644
--- a/helper.cpp
+++ b/helper.cpp
@@ -9,6 +9,8 @@
 #include <QProcess>
 #include <QFontMetrics>
 #include <QPainter>
+#include <QStandardPaths>
+#include <QDir>
 
 #include "helper.h"
 
@@ -122,6 +124,18 @@ namespace Helper {
         return retval;
     }
 
+    const QString appDataDir(){
+        QString retval = QStandardPaths::locate(QStandardPaths::HomeLocation, ".shemovcleaner", QStandardPaths::LocateDirectory);
+        if(retval.isEmpty()){
+            QString homeDir = QStandardPaths::locate(QStandardPaths::HomeLocation, QString(), QStandardPaths::LocateDirectory);
+            QDir d(homeDir);
+            if(d.mkdir(".shemovcleaner")){
+                retval = QString("%1/%2").arg(homeDir).arg(".shemovcleaner");
+            }
+        }
+        return retval;
+    }
+
     Duration::Duration() : mHours(0), mMinutes(0), mSeconds(0) {}
 
     Duration::Duration(qint64 seconds){
diff --git a/helper.h b/helper.h
index 3587183..7c4eece 100644
--- a/helper.h
+++ b/helper.h
@@ -10,6 +10,7 @@ namespace Helper {
     const QJsonDocument ffpmegData(const QString &path);
     const QPixmap preview(const QString &file);
     const QImage snapshot(const QString &file, int offset);
+    const QString appDataDir();
     class Duration {
         public:
             Duration();
-- 
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